From 10f7e805c20c164a7b3a20832237341136165e28 Mon Sep 17 00:00:00 2001
From: Matthew Hoops
Date: Sun, 27 May 2012 21:18:32 -0400
Subject: VIDEO: Add volume/balance control to VideoDecoder

---
 engines/sci/video/robot_decoder.cpp | 12 +++++++++++-
 engines/sci/video/robot_decoder.h   |  5 +++++
 2 files changed, 16 insertions(+), 1 deletion(-)

(limited to 'engines/sci')

diff --git a/engines/sci/video/robot_decoder.cpp b/engines/sci/video/robot_decoder.cpp
index 77f45e0788..95b3c2abc1 100644
--- a/engines/sci/video/robot_decoder.cpp
+++ b/engines/sci/video/robot_decoder.cpp
@@ -116,7 +116,7 @@ bool RobotDecoder::loadStream(Common::SeekableReadStream *stream) {
 
 	if (_header.hasSound) {
 		_audioStream = Audio::makeQueuingAudioStream(11025, false);
-		_mixer->playStream(Audio::Mixer::kMusicSoundType, &_audioHandle, _audioStream);
+		_mixer->playStream(Audio::Mixer::kMusicSoundType, &_audioHandle, _audioStream, -1, getVolume(), getBalance());
 	}
 
 	readPaletteChunk(_header.paletteDataSize);
@@ -361,6 +361,16 @@ void RobotDecoder::close() {
 	reset();
 }
 
+void RobotDecoder::updateVolume() {
+	if (g_system->getMixer()->isSoundHandleActive(_audioHandle))
+		g_system->getMixer()->setChannelVolume(_audioHandle, getVolume());
+}
+
+void RobotDecoder::updateBalance() {
+	if (g_system->getMixer()->isSoundHandleActive(_audioHandle))
+		g_system->getMixer()->setChannelBalance(_audioHandle, getBalance());
+}
+
 #endif
 
 } // End of namespace Sci
diff --git a/engines/sci/video/robot_decoder.h b/engines/sci/video/robot_decoder.h
index 3f93582418..e9cefe7d91 100644
--- a/engines/sci/video/robot_decoder.h
+++ b/engines/sci/video/robot_decoder.h
@@ -71,6 +71,11 @@ public:
 	Common::Point getPos() const { return _pos; }
 
 protected:
+	// VideoDecoder API
+	void updateVolume();
+	void updateBalance();
+
+	// FixedRateVideoDecoder API
 	Common::Rational getFrameRate() const { return Common::Rational(60, 10); }
 
 private:
-- 
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